Krull is a heavy/power metal band from Itu, São Paulo, Brazil, led by vocalist and guitarist Luís Domingos Krull. The band released "Metal Swords and Fire" in 2016 and followed it with "The Black Coast" in April 2018, the latter recorded and produced by Maurício "Bowie" Nogueira at Aquarela Studios in Itu, blending traditional heavy metal with viking and pagan metal influences.

Krusader is a symphonic power metal band from Jundiaí, São Paulo, Brazil, formed in 1989. The band's debut album "Angus" (2006) is a concept record based on a fantasy saga with a cult following across South America, Japan, Korea, and Italy, featuring vocalist Rick Ricci (known from fellow Brazilian act Skyscraper) alongside guitarist Paulo Soares and keyboardist Fábio Thesta.

La Hoguera is a heavy/thrash metal band from Santo Tomé, Santa Fe, led by vocalist and guitarist Eduardo "Negro" Cortéz, whose lyrics draw on surrealist imagery mixed with social commentary. Their album "Al acecho" was recorded at Crazy Rabbit Studio in Buenos Aires and released on March 25, 2023, presented live at La Moreno venue in Santa Fe.

Lightyears is a heavy/speed/power metal band from Anápolis, Goiás, Brazil, operating as an unsigned independent act. The band made a compilation appearance with the track "The Black Ritual of War" on the Underground Produções release "Underground Attack Vol. 01", documenting their presence in the Brazilian underground metal circuit. Their lyrical themes center on war, metal, and conflict.

Livin Garden was a heavy/thrash metal quartet from Curitiba, Paraná, Brazil, active from 2006 to around 2016, featuring Pablo Kravicz and Vinnie Lazzaretti on guitars, Gabriel Canoro on vocals, and Roberto Krug on drums. The band released two studio albums — "Where I Can Breathe" (2009) and "Bring It On" (2014, via Digmetalworld Records) — the latter supported by an extensive US tour of approximately fifty dates culminating in a filmed show at the Whisky a Go Go in Los Angeles. Their sound blended hard rock, southern rock, and thrash influences with nods to Metallica and KISS.

Machinaria were a heavy/thrash metal band from Bagé, Rio Grande do Sul, Brazil. Their 2014 debut full-length Sacred Revolutions, Profane Revelations drew comparisons to second-wave American thrash acts such as Sacred Reich and Vio-Lence, and was built around a conceptual examination of the Catholic Inquisition. The album earned the band recognition as a standout name in the new generation of Brazilian thrash.

Makabro is a heavy/thrash/power metal band from Villa Regina, Río Negro, formed in 2014 and active in Argentina's Patagonian underground scene. The band self-released a six-track studio EP in 2022, available on Spotify as "Full EP Estudio 2022", documenting their progressive thrash sound.

Maleficio was a heavy/thrash metal band from San Fernando del Valle de Catamarca, Argentina, with a self-titled demo tape among their documented releases and a confirmed album entry "Go to Hell" listed on the Metal Archives. The band centred their lyrical themes on social denouncement and has since split up.

Maze of Madness play straightforward heavy and thrash metal with a raw, stripped-back energy, releasing their debut album "Mass Hatred" in July 2022 shortly after forming. The eight-track record plants the band firmly in the tradition of classic thrash aggression without straying far from the genre's foundational template.